TY  - BOOK
AU  - Karthikeyan K.V.
TI  - Effect of planting density on the growth of rubber in the Vellanikkara estate
PY  - 1993///
PB  - Dissertation, PG Diploma in Natural Rubber Production, Kerala Agricultural University, Trichur, India, 26 p.
KW  - Growth
KW  - Planting density
ER  -